1. 选词填空

write down  right now  at the same time  be afraid to  laugh at

1. （1） Tom speak English in front of the class.
3. （2） Li Hua isn't at home.
5. （3） It's not polite (礼貌的) toothers.
7. （4） This DVD is quite useful. It can help us learn English and enjoy the beautiful sights of many places .
9. （5） Pleaseyour names on the paper.